Description

9,10-Dihydro-9,10-Dioxoanthracene-1,5-Disulphonic Acid, Sodium Salt is a high-purity, water-soluble anthraquinone derivative, valued for its role as a key intermediate in the synthesis of specialty dyes and pigments. Its significance lies in providing the essential chromophoric and solubilizing structure for producing vivid, colorfast dyes. This compound is primarily needed by manufacturers in the textile, ink, and specialty chemical industries for developing advanced colorants and functional materials.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing anthraquinone-based acid dyes, reactive dyes, and disperse dyes.
• Textile Coloring: Used in the production of dyes for coloring nylon, wool, silk, and other polyamide fibers, offering excellent wash and light fastness.
• Ink Formulation: Serves as a precursor for high-performance pigments used in inks for packaging, printing, and coatings.
• Functional Dyes: Intermediate for dyes used in specialized applications such as laser marking, optical data storage, and liquid crystal displays (LCDs).
• Chemical Synthesis: Employed as a sulfonated intermediate in organic synthesis and pharmaceutical research.
• Analytical Reagent: Can be used as a standard or reagent in analytical chemistry for method development and calibration.

Basic Information

Product Name	9,10-Dihydro-9,10-Dioxoanthracene-1,5-Disulphonic Acid, Sodium Salt
CAS No.	22680-92-8
Molecular Formula	C14H6Na2O8S2
Molecular Weight	420.29 g/mol
Synonyms	1,5-Anthraquinonedisulfonic Acid, Disodium Salt; Acid Blue 45 Intermediate; Disodium 1,5-Dihydroxyanthraquinone-1,5-disulfonate; 1,5-Dihydroxyanthraquinone-1,5-disulfonic Acid Disodium Salt; Anthraquinone-1,5-disulfonic Acid Sodium Salt; C.I. 63010; 1,5-Anthraquinonedisulfonic Acid Disodium Salt
EINECS	245-173-5

Quality Control

Our 9,10-Dihydro-9,10-Dioxoanthracene-1,5-Disulphonic Acid, Sodium Salt is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing specific batch results are provided to guarantee compliance with your technical requirements and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Sulfated Ash	≤ 30.0%
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	6.0 - 8.0

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.